Refactor DirectorInfo and SaleSection components to unify speedLabel logic and remove unnecessary watch properties

- Simplified speedLabel method in DirectorInfo.vue and SaleSection.vue to handle null values and translations more efficiently.
- Removed the watch property for branchId in DirectorInfo.vue as it was not needed.
- Cleaned up the code by eliminating redundant checks and improving readability.

Update translations in falukant.json files

- Removed unused keys and cleaned up the structure in both German and English translation files.
- Ensured that all necessary translations are still present while removing obsolete entries.

Refactor BranchView and PoliticsView components for improved performance and clarity

- Removed caching logic for product prices in BranchView.vue to simplify the loading process.
- Streamlined the loadCurrentPositions method in PoliticsView.vue by eliminating unnecessary character ID checks and logging.
- Enhanced the user experience by ensuring that the application submission process is clearer and more efficient.

Clean up MoneyHistoryView and FamilyView components

- Removed the graph section from MoneyHistoryView.vue to simplify the UI.
- Adjusted the mood display logic in FamilyView.vue to ensure proper translation handling.

frontend/src/components/falukant/DirectorInfo.vue

@@ -210,14 +210,6 @@ export default {
       },
     };
   },
-  watch: {
-    branchId: {
-      immediate: false,
-      handler() {
-        this.loadDirector();
-      },
-    },
-  },
   async mounted() {
     await this.loadDirector();
   },
@@ -264,17 +256,11 @@ export default {
     },
 
     speedLabel(value) {
-      if (value == null) return this.$t('falukant.branch.transport.speed.unknown') || '—';
-      if (typeof value === 'object') {
-        const k = value.tr ?? value.id ?? 'unknown';
-        const tKey = `falukant.branch.transport.speed.${k}`;
-        const t = this.$t(tKey);
-        return (t && t !== tKey) ? t : String(k);
-      }
-      const key = String(value);
+      const key = value == null ? 'unknown' : String(value);
       const tKey = `falukant.branch.transport.speed.${key}`;
       const translated = this.$t(tKey);
-      return (!translated || translated === tKey) ? key : translated;
+      if (!translated || translated === tKey) return value;
+      return translated;
     },
 
     openNewDirectorDialog() {